2,2
G. Thimm and W. E. Klee, Zeolite cycle sequences, Zeolites, 19, pp. 422-424, 1997.
G. Thimm, Cycle sequences of crystal structures
Sequence in context: A120875 A103533 A046425 * A159242 A054309 A104317
Adjacent sequences: A018947 A018948 A018949 * A018951 A018952 A018953
nonn
Georg Thimm (mgeorg(AT)ntu.edu.sg)